There are two different types of current that can flow in electrical circuits: alternating current (AC) and direct current (DC).
In direct current, electric charges flow in one direction, while on the other side, in alternating current, the charges change direction periodically during the flow. Voltage also in alternating current circuits (AC circuits) is periodically reversed due to a change in the direction of the current.
Most of the digital electronics we build rely on DC to power them. But it is also important to understand alternating current. Most homes are equipped with AC cords, so if you want to run one of your DC projects you should use an AC to DC converter.
Alternating current has other useful properties such as that its voltage values can be changed using a single component (transformer), so alternating current is mainly used to transmit electrical power over long distances.
alternating current (AC)
Alternating current describes the flow of charges that periodically change direction. As a result, the voltage value also changes (reflects) with the change of current. Alternating current is used to supply power to homes, offices, buildings, and more.
AC generation
Alternating current can be produced using a device called an alternator. This device is a special type of generator designed to produce alternating current.
A coil of wire is rotated within a magnetic field, causing a current to flow along the wire. The rotation of this wire can occur in more than one way: wind turbines, steam turbines, running water, and more. Due to the rotation of the wire and being under the influence of a magnetic polarity that varies periodically, the voltage and current generated in the wire change periodically as well.
There are two different types of current that can flow in electrical circuits: alternating current (AC) and direct current (DC).
In direct current, electric charges flow in one direction, while on the other side, in alternating current, the charges change direction periodically during the flow. Voltage also in alternating current circuits (AC circuits) is periodically reversed due to a change in the direction of the current.
Most of the digital electronics we build rely on DC to power them. But it is also important to understand alternating current. Most homes are equipped with AC cords, so if you want to run one of your DC projects you should use an AC to DC converter.
Alternating current has other useful properties such as that its voltage values can be changed using a single component (transformer), so alternating current is mainly used to transmit electrical power over long distances.
alternating current (AC)
Alternating current describes the flow of charges that periodically change direction. As a result, the voltage value also changes (reflects) with the change of current. Alternating current is used to supply power to homes, offices, buildings, and more.
AC generation
Alternating current can be produced using a device called an alternator. This device is a special type of generator designed to produce alternating current.
A coil of wire is rotated within a magnetic field, causing a current to flow along the wire. The rotation of this wire can occur in more than one way: wind turbines, steam turbines, running water, and more. Due to the rotation of the wire and being under the influence of a magnetic polarity that varies periodically, the voltage and current generated in the wire change periodically as well.
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